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The Calories Burned During Firm Workouts

author image Nicole Vulcan
Nicole Vulcan has been a journalist since 1997, covering parenting and fitness for The Oregonian, careers for CareerAddict, and travel, gardening and fitness for Black Hills Woman and other publications. Vulcan holds a Bachelor of Arts in English and journalism from the University of Minnesota. She's also a lifelong athlete and is pursuing certification as a personal trainer.
The Calories Burned During Firm Workouts
A woman does sit ups in a gym. Photo Credit: Jacob Ammentorp Lund/iStock/Getty Images

When you commit yourself to a new workout routine, you may be preoccupied with the numbers -- how many calories you'll burn and how much weight you'll lose. Whether you're using "The Firm" series of workout DVDs or any other fitness regimen, exercising at the highest possible intensity will burn the greatest number of calories.

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Intensity Matters

The Firm's DVD series includes bouts of cardio as well as rounds of resistance training. While one DVD promises a "500 calorie workout," the number of calories you'll burn during any given workout depends on your age, gender, intensity level, and even the amount of muscle you already have, since muscle tends to burn more calories than fat. You can't do much about your age or gender, but you can give each workout your all, aiming for an intensity level that you consider to be a 9 or 10 on a scale of 1 to 10. Do each workout to the end to maximize your results. Since the workouts usually combine light weights and cardio, consider them a form of circuit training, which will burn roughly 240 calories in 30 minutes for a 125-pound person and 355 calories for a 185-pound person, according to Harvard Health Publications.

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